51204315043463 has 2 divisors, whose sum is σ = 51204315043464. Its totient is φ = 51204315043462.

The previous prime is 51204315043457. The next prime is 51204315043489. The reversal of 51204315043463 is 36434051340215.

It is a happy number.

51204315043463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51204315043463 - 2⁸ = 51204315043207 is a prime.

It is a super-2 number, since 2×51204315043463² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51204315043463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51204315033463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25602157521731 + 25602157521732.

It is an arithmetic number, because the mean of its divisors is an integer number (25602157521732).

Almost surely, 2^{51204315043463} is an apocalyptic number.

51204315043463 is a deficient number, since it is larger than the sum of its proper divisors (1).

51204315043463 is an equidigital number, since it uses as much as digits as its factorization.

51204315043463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 51204315043463 its reverse (36434051340215), we get a palindrome (87638366383678).

The spelling of 51204315043463 in words is "fifty-one trillion, two hundred four billion, three hundred fifteen million, forty-three thousand, four hundred sixty-three".